<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>操作节点的属性</title>
    <script type="text/javascript" src="../script/jquery-3.6.0.min.js"></script>
    <script type="text/javascript">
        $(function () {
            //给button绑定一个click事件
            $("button").click(function () {
                $("img").attr("src", "../image/1.png");
                $("img").attr("height", "200");
            })
        });
    </script>
</head>
<body>
<img src="../image/2.png" height="100"/>
<br/>
<button>设置图像的 height 属性</button>
</body>
</html>